Carcinoembryonic Antigen, Human Tumor Native CEA from human colon adenocarcinoma via saline extraction, ion exchange chromatography, and gel filtration; no perchloric acid or detergents were used. Preservative and reductant free. Found in tumors in adults. A useful marker for breast cancer and adenocarcinomas of the esophagus and stomach. 产品信息 Form Liquid Formulation In PBS, pH 7.3. Molar mass 180000 Avoid freeze/thaw 是的 Purity ≥98% by IEP; single major band by SDS-PAGE Source Prepared from tissue of individuals that have been shown by certified tests to be negative for HBsAg and for antibodies to HIV and HCV. 商店和运输信息 Storage -20°C Ship Blue Ice Only Standard Handling